Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0733.15-500-IO Cadalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 483-78-3 Price on request 92583 Polychlorobenzenes & Aroclor 1260 Price on request 675707 4-Nonylphenol-mono-ethoxylate, 10.0 µg/ml, Methan Price on request